对于 Teradata Database 16.20 和更高版本的 RTO 数据类型和操作，支持以下缺省值。
ColOp 数据类型
- ARRAY
- BIGINT
- CLOB
- BLOB
- BYTE
- BYTEINT
- CHAR
- DATE
- DECIMAL
- INT
- INTERVAL
- NUMBER
- REAL
- SMALLINT
- TIME
- TIME_ZONE
- TIMESTAMP
- TIMESTAMP_ZONE
- VARBYTE
- VARCHAR
CompareOP
- BETWEEN
- EQ
- GE
- GT
- IN
- LE
- LIKE
- LT
- NE
- NOTIN
- OVERLAP
LogicalOP
- AND
- OR
- NOT
- ISNULL
ArithOp
- ABS
- ADD
- DIV
- LOG10
- LOGE
- MOD
- MUL
- SQRT
- SUB
AggrOp
- AVG
- COUNT
- MAXIMUM
- MINIMUM
- SUM
MiscOp
- CASE
- CAST
- CONCAT
- DTI
- EXTRACT
- LOWER
- OCTET
- SUBSTR
- TRIM
- UPPER
服务器设置
- delayedFetchThresh
- doCluster
- doMultiTblClustering
- doRemoteJoin
- doSingleTblDelayedFetch
- exportCostAdj
- importCostAdj
- remJoinTransAdj